.scroll-y {
  height: 100vh;
  background-color: #efefef;
  view {
    height: 800rpx;
    display: flex;
    align-items: center; // 垂直居中
    justify-content: center; // 水平居中
    &:nth-child(odd) {
      background-color: skyblue;
    }
    &:nth-child(even){
      background-color: pink;
    }
  }
}
.bottom{
  height: 100rpx;
}
